RGEN 8-K: SEC filing
Repligen Corp
Filed with the SEC on · accession 0001628280-26-071650
RGEN filed a 8-K (current report) with the SEC on Nov 6, 2026. A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The stock moved +3.0% by the first close after the filing.
Summary of the filing
Repligen Corp filed a routine Form 8-K cover page with the SEC on November 6, 2026, containing only standard registrant identification and document information with no substantive corporate event disclosed.
Key details
How RGEN stock reacted
Close before
$168.48
Nov 5, 2026
First close after
+2.97%
$173.49
5 trading days
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Since filing
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Click hereFrequently asked questions
What did RGEN file with the SEC on Nov 6, 2026?
RGEN filed a 8-K (SEC filing). Repligen Corp filed a routine Form 8-K cover page with the SEC on November 6, 2026, containing only standard registrant identification and document information with no substantive corporate event disclosed.
How do I read a 8-K?
A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.
How did RGEN stock react to this filing?
RGEN closed at $168.48 before the filing and $173.49 on Nov 6, 2026 (+2.97%).
Other RGEN SEC filings
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